.tool-container{max-width:1400px;margin:2rem auto;padding:0 1rem}.form-container{max-width:1400px}.tool-header{text-align:center;margin-bottom:3rem}.tool-title{font-size:2.5rem;font-weight:700;color:#1f2937;margin-bottom:1rem;background:linear-gradient(135deg,#38bdf8,#3b82f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tool-description{font-size:1.1rem;color:#6b7280;line-height:1.6;max-width:600px;margin:0 auto}.form-container{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}.input-section,.output-section{background:#ffffffb3;border:1px solid rgba(255,255,255,.2);border-radius:16px;padding:2rem;backdrop-filter:blur(10px);box-shadow:0 4px 12px #0000000d;height:fit-content}.section-title{font-size:1.5rem;font-weight:600;color:#374151;margin-bottom:1.5rem;background:linear-gradient(135deg,#64748b,#475569);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.input-group,.output-group{margin-bottom:1.5rem}.markdown-textarea{width:100%;padding:1.25rem;border:2px solid rgba(226,232,240,.8);border-radius:12px;font-size:.9rem;color:#1f2937;background:#ffffffe6;transition:all .3s ease;box-sizing:border-box;resize:vertical;min-height:500px;line-height:1.5;font-family:Monaco,Menlo,Ubuntu Mono,monospace}.markdown-textarea:focus{outline:none;border-color:#38bdf8;background:#fff;color:#0f172a;box-shadow:0 0 0 4px #38bdf833,0 8px 25px #38bdf826;transform:translateY(-2px)}.html-output-area{width:100%;min-height:500px;padding:1.25rem;border:2px solid rgba(203,213,225,.8);border-radius:12px;background:#f8fafce6;box-sizing:border-box;overflow-y:auto;line-height:1.6;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.html-output-area:focus{outline:none;border-color:#38bdf8;box-shadow:0 0 0 4px #38bdf81a;background:#f1f5f9}.html-output-area.error{color:#dc2626;background:#fef2f2e6;border-color:#ef4444}.html-output-area h1,.html-output-area h2,.html-output-area h3,.html-output-area h4,.html-output-area h5,.html-output-area h6{margin-top:1.5rem;margin-bottom:.75rem;color:#1f2937}.html-output-area h1{font-size:1.5rem}.html-output-area h2{font-size:1.25rem}.html-output-area h3{font-size:1.125rem}.html-output-area p{margin-bottom:1rem}.html-output-area pre{background:#f8fafc;border:1px solid #e2e8f0;border-radius:6px;padding:1rem;overflow-x:auto;margin:1rem 0;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem}.html-output-area code{background:#f1f5f9;padding:.125rem .25rem;border-radius:3px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem}.html-output-area pre code{background:none;padding:0}.html-output-area table{border-collapse:collapse;width:100%;margin:1rem 0;border:1px solid #e2e8f0}.html-output-area th,.html-output-area td{border:1px solid #e2e8f0;padding:.5rem;text-align:left}.html-output-area th{background:#f8fafc;font-weight:600}.html-output-area ul,.html-output-area ol{margin:1rem 0;padding-left:2rem}.html-output-area li{margin-bottom:.5rem}.html-output-area blockquote{border-left:4px solid #38bdf8;padding-left:1rem;margin:1rem 0;color:#6b7280;font-style:italic}.html-output-area a{color:#3b82f6;text-decoration:underline}.html-output-area a:hover{color:#1d4ed8}.button-group{display:flex;justify-content:center;margin-top:1rem}.print-button{padding:1rem 2rem;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;border:none;min-width:180px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 4px 14px #10b9814d}.print-button:hover{background:linear-gradient(135deg,#059669,#047857);transform:translateY(-2px);box-shadow:0 8px 30px #10b98166}.print-button:active{transform:translateY(0)}.print-button:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.print-content{display:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#333;max-width:800px;margin:0 auto}@media print{body *{visibility:hidden}#print-content,#print-content *{visibility:visible}#print-content{position:absolute;left:0;top:0;width:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:12pt;line-height:1.6;color:#000;background:#fff;padding:20px;box-sizing:border-box}#print-content h1,#print-content h2,#print-content h3,#print-content h4,#print-content h5,#print-content h6{page-break-after:avoid;margin-top:1.5em;margin-bottom:.5em;color:#000;font-weight:700}#print-content h1{font-size:20pt}#print-content h2{font-size:16pt}#print-content h3{font-size:14pt}#print-content p{margin-bottom:1em;orphans:3;widows:3}#print-content pre{page-break-inside:avoid;border:1px solid #ddd;padding:1em;background:#f8f8f8;white-space:pre-wrap;font-family:Courier New,monospace;font-size:10pt;margin:1em 0}#print-content code{background:#f0f0f0;padding:.2em .4em;border-radius:3px;font-family:Courier New,monospace;font-size:10pt}#print-content pre code{background:none;padding:0}#print-content table{border-collapse:collapse;width:100%;margin:1em 0;page-break-inside:auto}#print-content th,#print-content td{border:1px solid #ddd;padding:.5em;text-align:left;page-break-inside:avoid}#print-content th{background:#f0f0f0;font-weight:700}#print-content ul,#print-content ol{margin:1em 0;padding-left:2em}#print-content li{margin-bottom:.5em}#print-content blockquote{border-left:4px solid #ccc;padding-left:1em;margin:1em 0;color:#666;font-style:italic}#print-content a{color:#000;text-decoration:underline}#print-content a[href]:after{content:" (" attr(href) ")";font-size:9pt;color:#666}#print-content img{max-width:100%;height:auto;page-break-inside:avoid}}.html-output-area::-webkit-scrollbar{width:8px}.html-output-area::-webkit-scrollbar-track{background:#f1f5f980;border-radius:4px}.html-output-area::-webkit-scrollbar-thumb{background:#94a3b880;border-radius:4px}.html-output-area::-webkit-scrollbar-thumb:hover{background:#94a3b8cc}@media (max-width: 1024px){.tool-container{max-width:1200px}.form-container{gap:1.5rem}.input-section,.output-section{padding:1.5rem}}@media (max-width: 768px){.tool-title{font-size:2rem}.form-container{grid-template-columns:1fr;gap:2rem}.input-section,.output-section{padding:1.5rem}.markdown-textarea,.html-output-area{min-height:300px}.print-button{width:100%;padding:.875rem 1.5rem}}@media (max-width: 480px){.tool-container{padding:0 .5rem}.input-section,.output-section{padding:1rem}.section-title{font-size:1.125rem}.markdown-textarea,.html-output-area{padding:1rem;font-size:.8rem;min-height:250px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.input-section,.output-section{animation:fadeIn .5s ease-out}.loading{opacity:.6;pointer-events:none}.loading:after{content:"";position:absolute;top:50%;left:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border:2px solid #38bdf8;border-top:2px solid transparent;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}